Leetcode

Practice of programming via solving basic algorism and data structure problems: C++, Java, and python

Name		Name	Last commit message	Last commit date
Latest commit History 22 Commits
.ipynb_checkpoints		.ipynb_checkpoints
CPP		CPP
1. Two Sum .ipynb		1. Two Sum .ipynb
11. Container With Most Water.ipynb		11. Container With Most Water.ipynb
125. Valid Palindrome.ipynb		125. Valid Palindrome.ipynb
127. Word Ladder.ipynb		127. Word Ladder.ipynb
128. Longest Consecutive Sequence.ipynb		128. Longest Consecutive Sequence.ipynb
13. Roman to Integer.ipynb		13. Roman to Integer.ipynb
130. Surrounded Regions.ipynb		130. Surrounded Regions.ipynb
131. Palindrome Partitioning.ipynb		131. Palindrome Partitioning.ipynb
136. Single Number (bit manupulation).ipynb		136. Single Number (bit manupulation).ipynb
139. Word Break.ipynb		139. Word Break.ipynb
148. Sort List.ipynb		148. Sort List.ipynb
15. 3Sum.ipynb		15. 3Sum.ipynb
150. Evaluate Reverse Polish Notation.ipynb		150. Evaluate Reverse Polish Notation.ipynb
151. Reverse Words in a String.ipynb		151. Reverse Words in a String.ipynb
152. Maximum Product Subarray.ipynb		152. Maximum Product Subarray.ipynb
153. Find Minimum in Rotated Sorted Array.ipynb		153. Find Minimum in Rotated Sorted Array.ipynb
155. Min stack.ipynb		155. Min stack.ipynb
16. 3Sum Closest.ipynb		16. 3Sum Closest.ipynb
162. Find Peak Element.ipynb		162. Find Peak Element.ipynb
165. Compare Version Numbers.ipynb		165. Compare Version Numbers.ipynb
17. Letter Combinations of a Phone Number.ipynb		17. Letter Combinations of a Phone Number.ipynb
19. Remove Nth Node From End of List.ipynb		19. Remove Nth Node From End of List.ipynb
191. Number of 1 bits.ipynb		191. Number of 1 bits.ipynb
2. Add Two Numbers.ipynb		2. Add Two Numbers.ipynb
20. Valid Parentheses.ipynb		20. Valid Parentheses.ipynb
200. Number of Islands.ipynb		200. Number of Islands.ipynb
201. Bitwise AND of Numbers Range.ipynb		201. Bitwise AND of Numbers Range.ipynb
206. Reverse linked list.ipynb		206. Reverse linked list.ipynb
207. Course Schedule.ipynb		207. Course Schedule.ipynb
209. Minimum Size Subarray Sum .ipynb		209. Minimum Size Subarray Sum .ipynb
21. Merge Two Sorted Lists.ipynb		21. Merge Two Sorted Lists.ipynb
215. Kth Largest Element in an Array.ipynb		215. Kth Largest Element in an Array.ipynb
216. Combination Sum III.ipynb		216. Combination Sum III.ipynb
220. Contains Duplicate III.ipynb		220. Contains Duplicate III.ipynb
221. Maximal Square.ipynb		221. Maximal Square.ipynb
223. Rectangle Area.ipynb		223. Rectangle Area.ipynb
227. Basic Calculator II.ipynb		227. Basic Calculator II.ipynb
229. Majority Element II.ipynb		229. Majority Element II.ipynb
237. Delete Node in a Linked list.ipynb		237. Delete Node in a Linked list.ipynb
238. Product of Array Except Self.ipynb		238. Product of Array Except Self.ipynb
24. Swap Nodes in Pairs.ipynb		24. Swap Nodes in Pairs.ipynb
240. Search a 2D Matrix II.ipynb		240. Search a 2D Matrix II.ipynb
252. Meeting Rooms.ipynb		252. Meeting Rooms.ipynb
253. Meeting Rooms II.ipynb		253. Meeting Rooms II.ipynb
26. Remove Duplicates from Sorted Array.ipynb		26. Remove Duplicates from Sorted Array.ipynb
264. Ugly Number II.ipynb		264. Ugly Number II.ipynb
266. Palindrome Permutation.ipynb		266. Palindrome Permutation.ipynb
267. Palindrome Permutation II.ipynb		267. Palindrome Permutation II.ipynb
27. Remove Element.ipynb		27. Remove Element.ipynb
279. Perfect Squares.ipynb		279. Perfect Squares.ipynb
286. Walls and Gates.ipynb		286. Walls and Gates.ipynb
287 Find the Duplicate Number .ipynb		287 Find the Duplicate Number .ipynb
292. Nim Game.ipynb		292. Nim Game.ipynb
299. Bulls and Cows.ipynb		299. Bulls and Cows.ipynb
3. Longest Substring Without Repeating Characters.ipynb		3. Longest Substring Without Repeating Characters.ipynb
300. Longest Increasing Subsequence.ipynb		300. Longest Increasing Subsequence.ipynb
309. Best Time to Buy and Sell Stock with Cooldown.ipynb		309. Best Time to Buy and Sell Stock with Cooldown.ipynb
31. Next Permutation.ipynb		31. Next Permutation.ipynb
315. Count of Smaller Numbers After Self.ipynb		315. Count of Smaller Numbers After Self.ipynb
318. Maximum Product of Word Lengths.ipynb		318. Maximum Product of Word Lengths.ipynb
319. Bulb Switcher.ipynb		319. Bulb Switcher.ipynb
329. Longest Increasing Path in a Matrix.ipynb		329. Longest Increasing Path in a Matrix.ipynb
334. Increasing Triplet Subsequence.ipynb		334. Increasing Triplet Subsequence.ipynb
338. Counting Bits.ipynb		338. Counting Bits.ipynb
34. Search for a Range.ipynb		34. Search for a Range.ipynb
343. Integer Break.ipynb		343. Integer Break.ipynb
344. Reverse String.ipynb		344. Reverse String.ipynb
357. Count Numbers with Unique Digits.ipynb		357. Count Numbers with Unique Digits.ipynb
36. Valid Sudoku.ipynb		36. Valid Sudoku.ipynb
371. Sum of Two Integers.ipynb		371. Sum of Two Integers.ipynb
372. Super Pow.ipynb		372. Super Pow.ipynb
382. Linked List Random Node.ipynb		382. Linked List Random Node.ipynb
386. Lexicographical Numbers.ipynb		386. Lexicographical Numbers.ipynb
388. Longest Absolute File Path.ipynb		388. Longest Absolute File Path.ipynb
389. Find the Difference.ipynb		389. Find the Difference.ipynb
39. Combination Sum *.ipynb		39. Combination Sum *.ipynb
392. Is Subsequence.ipynb		392. Is Subsequence.ipynb
394. Decode String.ipynb		394. Decode String.ipynb
395. Longest Substring with At Least K Repeating Characters.ipynb		395. Longest Substring with At Least K Repeating Characters.ipynb
4. Median of Two Sorted Arrays.ipynb		4. Median of Two Sorted Arrays.ipynb
402. Remove K Digits (need review).ipynb		402. Remove K Digits (need review).ipynb
41. First Missing Positive.ipynb		41. First Missing Positive.ipynb
413. Arithmetic Slices.ipynb		413. Arithmetic Slices.ipynb
419. Battleships in a Board.ipynb		419. Battleships in a Board.ipynb
42. Trapping Rain Water.ipynb		42. Trapping Rain Water.ipynb
421. Maximum XOR of Two Numbers in an Array (difficult).ipynb		421. Maximum XOR of Two Numbers in an Array (difficult).ipynb
423. Reconstruct Original Digits from English.ipynb		423. Reconstruct Original Digits from English.ipynb
43. Multiply Strings.ipynb		43. Multiply Strings.ipynb
435. Non-overlapping Intervals.ipynb		435. Non-overlapping Intervals.ipynb
445. Add Two Numbers II .ipynb		445. Add Two Numbers II .ipynb
452. Minimum Number of Arrows to Burst Balloons.ipynb		452. Minimum Number of Arrows to Burst Balloons.ipynb
453. Minimum Moves to Equal Array Elements (tricky).ipynb		453. Minimum Moves to Equal Array Elements (tricky).ipynb
455. Assign Cookies.ipynb		455. Assign Cookies.ipynb
46. Permutations.ipynb		46. Permutations.ipynb
47. Permutations II.ipynb		47. Permutations II.ipynb
477. Total Hamming Distance.ipynb		477. Total Hamming Distance.ipynb
48. Rotate Image.ipynb		48. Rotate Image.ipynb
49. Group Anagrams.ipynb		49. Group Anagrams.ipynb

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